nicoletas nicoletas

14-05-2016
Mathematics

Answered

Sa se gaseasca numerele a si b a caror medie aritmetica este 200 si care sunt invers proportionale cu 8 si respectiv 4,5.

Verified Answer :

14-05-2016

Bonjour, (as you write in roumain)

Soient a et b les 2 nombres

(a+b)/2=200==>a+b=400

8/a=4.5/b==>16b=9a

a+9a/16=400
==> 25a/16=400
==>a=40016/25
==>a=256
et b= 9256/16; b=144

Answer Link

Related Questions

What name was given to the Allied plan to invade France a Operation Overlord b Operation Sea Lion c Operation Churchill d Operation Paris

What are the factors pairs of 28

What polynomial has a graph that passes through the given points 4 89 3 7 1 1 1 1 4 329 ay 2x3 3x2 2x 1 by 1x4 2x3 3x2 2x 1 cy x4 2x3 3x2 2x 1 dy x4 2x3 3x2 2x

Lori is a hawk when it comes to grammar which figure of speech or literary device is this

How do some protozoans respond to adverse environmental conditions

Joey decided to take PreCalculus his senior year in high school because he plans to go to collegeIn your own words analyze this decision

balance the equation αC6H14g βO2gγCO2g δH2Og

You should spend equal time in a warmup and a cool down How long should you spend in each AFive to 10 minutes BThree to four minutes COne minute D30 seconds

Which of the following is an example of a reflexive verb in French Jaime manger Je mappelle Jean Je vais parler Jai parlé

why did the byzantines distrust western christians after the crusades

Web Analytics